Table 1 Demographic characteristics of the study groups

Age, years (IQR)

8.2 (1.6–15.1)

4.9 (IQR 1.1–12.4)

0.003

% males

51

58

0.13

% immune-suppressed state

27

30

0.37

% post-operative admission

9

13

0.27

% co-morbidities

77

72

0.27

Median IL-27 concentration, ng/ml (IQR)

1.7 (0.9–3.2)

1.2 (0.8–0.6–2.0)

<0.001

Median PCT concentration, ng/ml (IQR)

7.0 (5.7–9.4)

6.4 (5.3–8.0)

<0.001

Median minutes between culture and IL-27 specimen (IQR)

8.2 (1.6–15.1)

4.9 (1.1–12.4)

0.003

Median PRISM III score (IQR)

6 (2.8–12.0)

3 (0–8)

<0.001